The decision
Tent or vehicle?
A command vehicle is fast and self-contained, but it's fixed in size and costly per unit. A tented post is cheaper, scales by connecting units, and can be pitched where a vehicle can't reach. Most services run both: the vehicle as the comms hub, the tent as the space around it for briefings, multi-agency liaison and tactical planning. The point isn't one or the other — it's having the space command needs, on demand.